Tension force is the pulling force transmitted axially through a rope, string, cable, or chain as it resists being stretched or deformed. In physics, tension can be calculated using the formula for a simple vertical setup: ( T = m cdot g ), where ( T ) is the tension force, ( m ) is the mass of the object, and ( g ) is the acceleration due to gravity (approximately 9.81 m/sΒ²).
When dealing with angled configurations or pulleys, the calculation becomes more complex. For an angle ( theta ), the tension force can be resolved into components: ( T = frac{m cdot g}{sin(theta)} ). This accounts for the vertical component of the tension that supports the mass.
In systems with multiple pulleys, the tension in each segment of the rope can be calculated by considering the number of supporting strands. For a single fixed pulley, the tension is equal to the weight of the load. However, for a system with multiple pulleys, the effective force multiplication increases the tension.